public class Test {
    public static void main(String[] args) {
        Student stu1=new Student(17,"Alan","101");
        Student stu2=new Student(18,"Henry","101");
        Student stu3=new Student(16,"Paul","101");

        System.out.println(stu1.Class);
        System.out.println(stu2.Class);
        System.out.println(stu3.Class);
    }
}
